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Finding the Fourth Proportional to 266,400.90, 397,658.00 and 232,770.29

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Solution

The fourth proportional to 266,400.90, 397,658.00 and 232,770.29 is: 347,457.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,400.90 : 397,658.00 = 232,770.29 : x
  2. Step 2: Convert to fraction form
    266,400.90/397,658.00 = 232,770.29/x
  3. Step 3: Cross multiply
    266,400.90x = 397,658.00 × 232,770.29
  4. Step 4: Simplify right side
    266,400.90x = 92,562,966,574.46
  5. Step 5: Solve for x
    x = 92,562,966,574.46/266,400.90
  6. Step 6: Final answer
    x = 347,457.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.